To cut a long story short, we had an offer accepted on a house two weeks ago. This house was listed with two estate agents. We made it a condition of our offer that the house be withdrawn from ALL estate agents and website, e.g. Zoopla. The seller agreed to do this once we showed proof of funds.
The house changed to 'Sold STC' for both estate agents, as promised. But I've just looked again and one of them (the one we're not going through) is showing the house as available again! To make things worse, the Rightmove listing date shows that the house was put on again just yesterday.
The timing could not be worse - just before the Easter break and I didn't notice until 7pm so it was too late to speak to anyone. I have sent the estate agent a strongly worded email reminding them of the condition of our offer.
What else can I do? Any suggestions? At what point do I withdraw my offer?